﻿using System.Windows;
using Microsoft.Phone.Scheduler;
using Microsoft.Phone.Shell;
using System.Net;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System;

namespace PositonTask
{
    public class ScheduledAgent : ScheduledTaskAgent
    {
        private static volatile bool _classInitialized;

        /// <remarks>
        /// ScheduledAgent constructor, initializes the UnhandledException handler
        /// </remarks>
        public ScheduledAgent()
        {
            if (!_classInitialized)
            {
                _classInitialized = true;
                // Subscribe to the managed exception handler
                Deployment.Current.Dispatcher.BeginInvoke(delegate
                {
                    Application.Current.UnhandledException += ScheduledAgent_UnhandledException;
                });
            }
        }

        /// Code to execute on Unhandled Exceptions
        private void ScheduledAgent_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // An unhandled exception has occurred; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        /// <summary>
        /// Agent that runs a scheduled task
        /// </summary>
        /// <param name="task">
        /// The invoked task
        /// </param>
        /// <remarks>
        /// This method is called when a periodic or resource intensive task is invoked
        /// </remarks>
        protected override void OnInvoke(ScheduledTask task)
        {
            // Create the web request object
//            HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create("http://dimoniche.ru/");
//            webRequest.Method = "POST";
//            webRequest.ContentType = "text/xml";

//            webRequest.Headers["count_task"] = "123";

            // Start the request
//            webRequest.BeginGetRequestStream(new AsyncCallback(GetRequestStreamCallback), webRequest);

#if DEBUG
            ScheduledActionService.LaunchForTest(task.Name, System.TimeSpan.FromSeconds(10));
#endif

            NotifyComplete();
        }

        void GetRequestStreamCallback(IAsyncResult asynchronousResult)
        {
            HttpWebRequest webRequest = (HttpWebRequest)asynchronousResult.AsyncState;
            // End the stream request operation
            Stream postStream = webRequest.EndGetRequestStream(asynchronousResult);

            // Create the post data
            // Demo POST data 
            string postData = "data=4321";

            byte[] byteArray = Encoding.UTF8.GetBytes(postData);

            // Add the post data to the web request
            postStream.Write(byteArray, 0, byteArray.Length);
            postStream.Close();

            // Start the web request
            webRequest.BeginGetResponse(new AsyncCallback(GetResponseCallback), webRequest);
        }

        void GetResponseCallback(IAsyncResult asynchronousResult)
        {
            try
            {
                HttpWebRequest webRequest = (HttpWebRequest)asynchronousResult.AsyncState;
                HttpWebResponse response;

                // End the get response operation
                response = (HttpWebResponse)webRequest.EndGetResponse(asynchronousResult);
                Stream streamResponse = response.GetResponseStream();
                StreamReader streamReader = new StreamReader(streamResponse);
                var Response = streamReader.ReadToEnd();
                streamResponse.Close();
                streamReader.Close();
                response.Close();

            }
            catch (WebException e)
            {
                // Error treatment
                // ...
            }
        }
    }
}